408080057

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{283}}^1\times {\mathrm{307}}^1$

素因数の和:669

約数の個数: 32

約数和(自身を含む): 520633344

約数和(自身を除く): 112553287

約数列:

[1, 7, 11, 61, 77, 283, 307, 427, 671, 1981, 2149, 3113, 3377, 4697, 17263, 18727, 21791, 23639, 86881, 120841, 131089, 189893, 205997, 608167, 955691, 1329251, 1441979, 5299741, 6689837, 37098187, 58297151, 408080057]

約数ペア:

[(1, 408080057), (7, 58297151), (11, 37098187), (61, 6689837), (77, 5299741), (283, 1441979), (307, 1329251), (427, 955691), (671, 608167), (1981, 205997), (2149, 189893), (3113, 131089), (3377, 120841), (4697, 86881), (17263, 23639), (18727, 21791)]